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Deep Red-Light-Mediated Nitric Oxide and Photodynamic Synergistic Antibacterial Therapy for the Treatment of Drug-Resistant Bacterial Infections.
Small
January 2025
Department of Biomedical Engineering, School of Engineering, China Pharmaceutical University, 639 Longmian Road, Jiangning, Nanjing, 210009, China.
Infections caused by persistent, drug-resistant bacteria pose significant challenges in inflammation treatment, often leading to severe morbidity and mortality. Herein, the photosensitizer rhodamine derivatives are selected as the light-trapping dye and the electron-rich substituent N-nitrosoaminophen as the nitric oxide (NO)-releasing component to develop a multifunctional (deep) red-light activatable NO photocage/photodynamic prodrug for efficient treatment of wounds and diabetic foot infections. The prodrug, RhB-NO-2 integrates antimicrobial photodynamic therapy (aPDT), NO sterilization, and NO-mediated anti-inflammatory properties within a small organic molecule and is capable of releasing NO and generating Reactive oxygen species (ROS) when exposed to (deep) red laser (660 nm).
View Article and Find Full Text PDFComparative study of a commercial formula containing natural antimicrobials versus oral cephalexin or topical chlorhexidine-miconazole therapies for treating superficial pyoderma in dogs.
Vet Dermatol
January 2025
Department of Veterinary Medicine, School of Medicine and Life Sciences, Pontifícia Universidade Católica Do Paraná, Curitiba, Brazil.
Background: Chronic and recurrent pyoderma in dogs is driving a growing interest in natural antimicrobial products that offer minimal adverse effects and avoid antibiotic resistance.
Objectives: Evaluate the safety and efficacy of dermatological products with antimicrobial peptides and plant extracts, comparing them to chlorhexidine + miconazole and cephalexin therapy for superficial pyoderma in dogs.
Materials And Methods: Forty-five dogs with superficial pyoderma underwent clinical, cytopathological and microbiological diagnosis, and were randomly assigned to Group 1 (G1) treated with shampoo (two weekly baths) and lotion (twice daily on the affected areas) containing natural antimicrobials; Group 2 (G2) treated with two weekly baths using a therapeutic shampoo containing 2% chlorhexidine and 2.
Debridement Technique for Single-Stage Revision Shoulder Arthroplasty.
JBJS Essent Surg Tech
January 2025
Shoulder and Elbow Service, Florida Orthopaedic Institute, Tampa, Florida.
Background: The incidence of revision shoulder arthroplasty continues to rise, and infection is a common indication for revision surgery. Treatment of periprosthetic joint infection (PJI) in the shoulder remains a controversial topic, with the literature reporting varying methodologies, including the use of debridement and implant retention, single-stage and 2-stage surgeries, antibiotic spacers, and resection arthroplasty. Single-stage revision has been shown to have a low rate of recurrent infection, making it more favorable because it precludes the morbidity of a 2-stage operation.
View Article and Find Full Text PDFMultiple introductions of NRCS-A to the neonatal intensive care unit drive neonatal bloodstream infections: a case-control and environmental genomic survey.
Microb Genom
January 2025
Department of Microbiology, Oxford University Hospitals, Oxford, UK.
The NRCS-A strain has emerged as a global cause of late-onset sepsis associated with outbreaks in neonatal intensive care units (NICUs) whose transmission is incompletely understood. Demographic and clinical data for 45 neonates with and 90 with other coagulase-negative staphylococci (CoNS) isolated from sterile sites were reviewed, and clinical significance was determined. isolated from 27 neonates at 2 hospitals between 2017 and 2022 underwent long-read (ONT) (=27) and short-read (Illumina) sequencing (=18).
View Article and Find Full Text PDFEffect of Preoperative Oral Antibiotics for Prevention of Incisional Surgical Site Infection After Colorectal Surgery: A Propensity Score Matching Study.
Medicina (Kaunas)
November 2024
Department of Colorectal Surgery, Tochigi Cancer Center, 4-9-13 Yohnan, Utsunomiya 320-0834, Tochigi, Japan.
Recent findings suggest that combining mechanical bowel preparation (MBP) and preoperative oral antibiotics (OAs) decreases the risk of incisional surgical site infections (iSSIs) in colorectal surgery; however, this finding remains controversial. This study examined the efficacy of OAs and MBP in colorectal surgery using propensity score matching (PSM). : Between January 2015 and December 2020, 559 patients with colorectal tumors underwent MBP followed by colorectal surgery.
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